Organization and Correction of Spatial Data in Mobile GIS

With the development of wireless communication technology and Web GIS, the technology and applications of mobile GIS are also developed. Based on lightweight mobile equipment, mobile GIS has the feature of flexibility and convenience, and is suitable for field operations, but it is also low memory, low CPU, has limited display range and storage. Taking the particularity in mobile GIS into account, this paper presents a scheme for vector data organization and correction in mobile GIS. The paper consists of two parts: a file organization form for vector data in mobile GIS, and a local real-time correction method of data based on the affine transformation. At last, the paper test the efficiency of the mixed form in file organization and the accuracy of the correction scheme, and prove that both methods have certain feasibility.